Antisana is a stratovolcano of the northern Andes, in Ecuador. It is the fourth highest volcano in Ecuador, at 5704m, and is located 50km SE of the capital city of Quito.Antisana presents one of the most challenging technical climbs in the Ecuadorian Andes.See alsoMikakuchaLists of volcanoesList of volcanoes in EcuadorList of Ultras of South America